
html,body{
    font-family: 'SourceHanSansCNNormal',Arial, Helvetica, sans-serif;
}
p{
    margin: 0;
    padding: 0;
}
li{
    list-style: none;
}
input{
    outline: none;
}
.left{
    float: left;
}
.right{
    float: right;
}
.clear{
    clear: both;
}
